354545135342545 has 32 divisors (see below), whose sum is σ = 488928632564736. Its totient is φ = 241769061273600.

The previous prime is 354545135342527. The next prime is 354545135342617. The reversal of 354545135342545 is 545243531545453.

It is not a de Polignac number, because 354545135342545 - 2⁵ = 354545135342513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 354545135342545.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 367144177 + ... + 368108593.

It is an arithmetic number, because the mean of its divisors is an integer number (15279019767648).

Almost surely, 2^{354545135342545} is an apocalyptic number.

354545135342545 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

354545135342545 is a deficient number, since it is larger than the sum of its proper divisors (134383497222191).

354545135342545 is a wasteful number, since it uses less digits than its factorization.

354545135342545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022641.

The product of its digits is 216000000, while the sum is 58.

Adding to 354545135342545 its reverse (545243531545453), we get a palindrome (899788666887998).

The spelling of 354545135342545 in words is "three hundred fifty-four trillion, five hundred forty-five billion, one hundred thirty-five million, three hundred forty-two thousand, five hundred forty-five".